Mich. Comp. Laws § 750.82

Sec. 82. (1) Except as otherwise provided in this subsection or subsection (2), a person who assaults another person with a gun, revolver, pistol, knife, iron bar, club, brass knuckles, or other dangerous weapon without intending to commit murder or to inflict great bodily harm less than murder is guilty of a felony punishable by imprisonment for not more than 4 years or a fine of not more than $2,000.00, or both. If the victim of a violation under this subsection is a health professional or medical volunteer and the violation occurs while the victim is performing the victim's duties as a health professional or medical volunteer, the person is guilty of a felony punishable by imprisonment for not more than 4 years or a fine of not more than $4,000.00, or both. The enhanced fine under this subsection does not apply if the defendant is a patient who is receiving treatment from the victim. (2) A person who violates subsection (1) in a weapon free school zone is guilty of a felony punishable by 1 or more of the following: (a) Imprisonment for not more than 4 years. (b) Community service for not more than 150 hours. (c) A fine of not more than $6,000.00. (3) The operator of a health facility or agency or a hospital or psychiatric hospital shall post a sign in the health facility or agency or hospital or psychiatric hospital in a prominent and visible location that provides that a person, other than a patient receiving treatment, who assaults a health professional or medical volunteer in violation of this section is subject to the enhanced fine as provided for in this section and that a patient receiving treatment who assaults a health professional or medical volunteer may still be subject to prosecution under this section. (4) As used in this section: (a) "Health facility or agency" means a health facility or agency licensed under article 17 of the public health code, 1978 PA 368, MCL 333.20101 to 333.22260. (b) "Health professional" means an individual who is employed or granted privileges by or under contract with a hospital or psychiatric hospital, health facility or agency, health system, or health care provider, whether operated by a governmental unit or a private entity, and whose duties within the scope of that employment, privilege, or contract involve the provision of direct patient care and require licensure, registration, certification, or other regulation or authorization under the public health code, 1978 PA 368, MCL 333.1101 to 333.25211, or who is providing indirect patient care under the direction of a hospital or psychiatric hospital, health facility or agency, health system, or health care provider. (c) "Hospital or psychiatric hospital" means a hospital or psychiatric hospital licensed under the mental health code, 1974 PA 258, MCL 330.1001 to 330.2106. (d) "Medical volunteer" means an individual who is volunteering at a hospital or psychiatric hospital, health facility or agency, in a health system, or with a health care provider, whether operated by a governmental unit or a private entity, and whose duties as a volunteer involve the provision of direct patient care, or who is providing indirect patient care under the direction of a hospital or psychiatric hospital, health facility or agency, health system, or health care provider. (e) "School" means a public, private, denominational, or parochial school offering developmental kindergarten, kindergarten, or any grade from 1 through 12. (f) "School property" means a building, playing field, or property used for school purposes to impart instruction to children or used for functions and events sponsored by a school, except a building used primarily for adult education or college extension courses. (g) "Weapon free school zone" means school property and a vehicle used by a school to transport students to or from school property.